A Japanese worker can produce 6 units of steel or 3 televisions per hour. A Korean worker can produce 8 units of steel or 2 televisions per hour. Plot the production possibilities frontier for each country, assuming each country has only one worker and the worker works only one hour. To plot the frontier, plot the end points and connect them with a line. For example, Japan can produce 6 units of steel with its worker or 3 televisions. It can also allocate 1/2 hour to the production of each and get 3 units of steel and 1 1/2 televisions. What are the opportunity cost of a television in Japan and Korea

Richardson hired j.c. flood company, a plumbing contractor, to correct a stoppage in the sewer line of her house. the plumbing company's 'snake' device, used to clear the line leading to the main sewer, became caught in the underground line. to release it, the company excavated a portion of the sewer line in richardson's backyard. in the process, the company discovered numerous leaks in a rusty, defective water pipe that ran parallel with the sewer line. to meet public regulations, the water pipe, of a type no longer approved for such service, had to be replaced either then or later, when the yard would have to be excavated again. the plumbing company proceeded to repair the water pipe. though richardson inspected the company's work daily and did not express any objection to the extra work involved in replacing the water pipe, she refused to pay any part of the total bill after the company completed the entire operation. j.c. flood company then sued richardson for the costs of labor and material it had furnished. (c) for what, if anything, should richardson be liable? explain."